# Plex web transcode stereo AAC, why?

**URL:** <https://forums.plex.tv/t/plex-web-transcode-stereo-aac-why/930255>\
**Category:** Plex Players\
**Tags:** server-linux, plex-web\
**Created:** [August 30, 2025, 6:24pm UTC](https://forums.plex.tv/t/plex-web-transcode-stereo-aac-why/930255 "2025-08-30T18:24:17Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![raiiyzen77](https://avatars.discourse-cdn.com/v4/letter/r/cdc98d/32.png) [@raiiyzen77](https://forums.plex.tv/u/raiiyzen77)\
**Post date:** [August 30, 2025, 6:24pm UTC](https://forums.plex.tv/t/plex-web-transcode-stereo-aac-why/930255/1 "2025-08-30T18:24:17Z")

</div>

Server Version#: 1.42.1.10060  
Player Version#: 4.149.0

Hi,

can somebody helps me to understand why all my medias with AAC 2.0 files are transcoding the audio (not the video, audio only) using plex web with chrome ?

 ![image](https://global.discourse-cdn.com/plex/original/4X/5/3/e/53e46aef6c4401a5b4a20cba7a6e7a14a4e82a3b.png)

Codec AAC  
Chaînes 2  
Bitrate 195 kbps  
Langue Français  
Language Tag fr  
Audio Channel Layout stereo  
Profil lc  
Sampling Rate 48000 Hz  
Titre French AAC 2.0  
Display Title Français (AAC Stereo)  
Extended Display Title French AAC 2.0 (Français)

```auto
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: Selected protocol dash; container: mp4
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: analyzing media item 683596
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: Direct Play is disabled
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: media must be transcoded in order to use the dash protocol
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: no direct play video profile exists for http/mkv/hevc
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: no direct play video profile exists for http/mkv/hevc/aac
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: no direct play video profile exists for http/mkv/hevc/aac
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: Audio Direct Streaming is disabled, so video's audio stream will be transcoded
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: Cannot direct stream audio stream due to profile or setting limitations
Aug 30, 2025 20:40:18.319 [133578547526456] Débogage — [Req#c80b/Transcode] MDE: The Movie: selected media 0 / 683596

```

---

<div class="post-metadata">

**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [November 28, 2025, 6:24pm UTC](https://forums.plex.tv/t/plex-web-transcode-stereo-aac-why/930255/2 "2025-11-28T18:24:24Z")

</div>

This topic was automatically closed 90 days after the last reply. New replies are no longer allowed.